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Polluted by sewage 534 times in 2024 lasting 5,342 hours
So far this year (as of May 29, 2025, 1:30 AM) there has been 828 hours of sewage overflows
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We get information about overflowing CSOs since January 2025. Here is a chart of the last three months of data for Witham, here you can see overflows in red, the darker the red, the more the CSO overflowed that day.
Each CSO has a row, the most recent data is on the right hand side.
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Donate NowHere are all the reported sewage overflow totals for Witham in 2024. Sometimes sewage can be being dumped for months at a time.
Reporting refers to how much of the time the monitoring was active. In this constituency all the declared CSOs appeared to have monitoring enabled for more than 50% of the year
| Company | Waterway | Site | Sewage Dumps | Duration (Hours) | Reporting % |
|---|---|---|---|---|---|
| Anglian Water | River Brain | WHITE NOTLEY WATER RECYCLING CENTRE | 81 | 1,178 | 99.5 |
| Anglian Water | Stisted Brook River Blackwater | STISTED STW | 63 | 1,056 | 99.5 |
| Anglian Water | Tollesbury Fleet To Blackwater | TOLLESBURY WATER RECYCLING CENTRE | 50 | 828 | 100 |
| Anglian Water | River Colne | EARLS COLNE WATER RECYCLING CENTRE | 38 | 648 | 100 |
| Anglian Water | River Colne | HALSTEAD (LANGLEY) WRC | 57 | 478 | 86.4 |
| Anglian Water | Virley Brook Salcottcreek | TIPTREE WATER RECYCLING CENTRE | 26 | 231 | 99.9 |
| Anglian Water | . | EAST ST COGGESHALL | 21 | 189 | 92.8 |
| Anglian Water | Layer Brook | TOLLESHUNT KNIGHTS FORGE PS | 23 | 185 | 100 |
| Anglian Water | Penny'S Brook River Blackwater | SCHOOL ROAD PS | 17 | 182 | 100 |
| Anglian Water | Roman River | LAYER DE-LA-HAYE STW | 12 | 129 | 100 |
| Anglian Water | Roman River | COPFORD WATER RECYCLING CCENTRE | 18 | 73 | 97.5 |
| Anglian Water | River Blackwater | OUTLET AT GREY'S MILL | 18 | 41 | 99.4 |
| Anglian Water | Tidal River Chelmer | WITHAM STW | 9 | 32 | 100 |
| Anglian Water | Layer Brook | GORSE LANE TERMINAL PUMPING STATION | 7 | 25 | 100 |
| Anglian Water | Bowstead Brook River Blackwate | TOLLESHUNT D'ARCY STW | 14 | 24 | 99.4 |
| Anglian Water | River Colne | EARLS COLNE CHURCH HILL #3 CSO | 39 | 11 | 100 |
| Anglian Water | River Blackwater | COGGESHALL WATER RECYCLING CENTRE | 6 | 8 | 100 |
| Anglian Water | River Ter | HATFIELD PEVEREL CRABBS HILL PS | 9 | 7 | 99.9 |
| Anglian Water | . | STATION RD KELVEDON | 15 | 6 | 84.65 |
| Anglian Water | River Blackwater | COGGESHALL EAST STREET RO 18 CSO | 1 | 3 | 100 |
| Anglian Water | River Colne | EARLS COLNE ST ANDREWS CHURCH CSO | 8 | 2 | 100 |
| Anglian Water | River Colne | EARLS COLNE | 2 | 0 | 100 |
| Anglian Water | Spicketts Brook Blackwater | GREAT TOTHAM STW | 0 | 0 | 100 |
EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water
Experimental derived data from Thames Water API, Some data may be missing or inaccurate. This uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.
This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.
This project is not associated, approved or endorsed by any of the companies whose logos you see here.
Get in touch if you have queries or want to discuss our data.
press [at] top-of-the-poops.org